ОВ-3 Лампа обратной волны Типа О
              Backward Wave Oscillator OV-3 Type “O”
              Tube à ondes régressives
              Rückwärtswellenröhre
			  An O-type backward wave tube is a wide-range microwave oscillator with electronic frequency tuning, in which generation occurs as a result of the interaction of an electron flow with a slow electromagnetic wave propagating in the direction opposite to the direction of the electron flow.
              No datasheet available. Any help welcome!
			   
			  
              20 x 14.5 x 10 cm • 7" 7/8 x 5" 3/4 x 4"
              
              
              
			  
              Schematic diagram of the BWO
              1. electron gun (heater П, cathode K, anode A)
              2. electron flow
              3. interdigital delay line
              4. microwave signal output
              5. collector
              6. attenuator
              7. magnetic focusing system
               
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